Hill type dynamics p53

Author: mzhn

August undefined, 2024

WebFeb 9, 2024 · Our work proposes a mechanism for the control of radiation sensitivity and suggests tools to alter the dynamics of p53 to enhance tumor clearance. WebMar 31, 2024 · Mutation of the TP53 tumor suppressor gene is the most common genetic alteration in cancer, and almost 1000 alleles have been identified in human tumors. While virtually all TP53 mutations are ...

Understanding non-linear effects from Hill-type dynamics …

WebJan 21, 2011 · The tumor suppressor p53 oscillates in response to DNA double-strand breaks, a behavior that has been suggested to be essential to its anti-cancer function. … WebChestnut Hill, MA 02467, USA 2Aileron Therapeutics, Inc., 840 Memorial Drive, Cambridge, MA ... All-atom structures of the 16-residue wild-type p53 peptide and the ... All molecular dynamics (MD) simulations were performed using the Desmond package (11,12). The OPLS 2005 force field (13,14) was ... bing downloads page

Dynamics of p53 in response to DNA damage vary across …

WebMethodology/Principal Findings:Most previous models have ignored the basal dynamics of p53 under nonstressed conditions. To explore the basal dynamics of p53, we constructed a stochastic delay model by incorporating two negative feedback loops. We found that protein distribution of p53 under nonstressed condition is highly skewed with a fraction of WebApr 25, 2024 · We established live-cell reporters for 12 cancer cell lines expressing wild-type p53 and quantified p53 dynamics in response to double-strand break–inducing DNA damage. In many of the tested cell lines, we found that p53 abundance oscillated in response to ionizing radiation or the DNA-damaging chemotherapeutic neocarzinostatin … WebNov 26, 2014 · The p53-dependent activation of MDM2 follows a Hill-type function (Lan et al., 2005; Chong et al., 2015) and is represented by the term α1y n 2 1 km n 2 3 +y n 2 1 , where α 1 denotes the ... cytoplasm vs nucleoplasm

Understanding non-linear effects from Hill-type dynamics …

7157 - Gene ResultTP53 tumor protein p53 [ (human)]

WebFeb 1, 2024 · Pulsed Hill-type dynamics involves the binding of multiple signal molecules to a receptor and occurs e.g., when transcription factor p53 orchestrates cancer prevention, during calcium signaling ... WebMay 6, 2024 · By solving a deterministic model, we obtained a Hill-type equation that can predict target gene expression driven by p53 pulses. Under conditions of high numbers of … cytoplasm vs cell membraneWebDec 19, 2024 · Overall, our results demonstrated the importance of cell type–dependent bimodal p53 dynamics in regulating the sensitivity of distinct cancer cells to DNA-damaging chemotherapeutics, and the single-cell data also pointed to a suppressive role of p53 pulsing in attenuating the p53 induction level and subsequent p53-mediated cell death. bing downloads today

"WebFeb 9, 2024 · In this review, we discuss the progress in an emerging new field in cell biology that explores a p53-mediated cellular signaling network via the dynamics of key signaling molecules in the network [7,8], where the type and quantity of a stimulus can result in a specific pattern of p53 dynamics. This is manifested by activation of a group of p53 ... " - Hill type dynamics p53

Hill type dynamics p53

Stimulus‐dependent dynamics of p53 in single cells

WebFeb 9, 2024 · p53 mediates the response to irradiation, however, tissues with similar levels of p53 have different radiation sensitivities. Here, the authors show that the in vivo p53 dynamics varies in these ... WebReview: Spotlight on p53 Dynamics in the p53-Mdm2 Ubiquitination Pathway ABSTRACT The tumor suppressor p53 is highly regulated under various states of cellular stress. p53 stability is predominantly regulated through the ubiquitin-proteasomal pathway by the E3 ligase Mdm2. p53 ubiquitination is a dynamic process with Mdm2 capable of

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WebAnalytical equations are derived depicting four possible scenarios resulting from pulsed signaling of a system subject to Hill-type dynamics. Pulsed Hill-type dynamics involves the binding of multiple signal molecules to a receptor and occurs e.g., when transcription factor p53 orchestrates cancer prevention, during calcium signaling, and during circadian … WebMay 10, 2011 · Stimulus-dependent dynamics of p53 in response to NCS (DSBs) and to UV. ( A – D) Representative traces of MCF7 cells expressing p53-Venus exposed to 100 ( A) or 400 ng/ml ( C) of NCS or to 2 ( B) or 8 J/m 2 ( D) UV at the indicated time following treatment. ( E, F) p53-Venus levels averaged over the traces of cells in response to various …

WebDec 9, 2024 · Figure 3 shows the effect of Plk1 depletion in p53-null and p53-wild-type (p53-wt) cancer cell lines. ... Purvis, J. E. et al. p53 Dynamics control cell fate. Science 336, 1440–1444 (2012). WebJan 18, 2004 · We present a system for following, in individual living cells, the dynamics of p53 and its negative regulator Mdm2 (refs. 1, 4 – 7 ): this system uses functional p53-CFP and Mdm2-YFP fusion ...

WebApr 11, 2024 · We found unique p53 dynamics, in particular transitional dynamics, can be generated in a stimulus- and cell type-dependent manner by either positive or negative … WebMay 27, 2024 · Half of all human cancers contain p53 gene mutations. Further, in many other cancers, the function of the p53 protein is eliminated. Drugs targeting the p53 …

WebJul 18, 2024 · The tumor suppressor p53 is activated in response to cellular stresses. The transcription factor p53 can activate the expression of numerous genes leading to cell cycle arrest, senescence or apoptosis. The p53 network exhibits complex stimulus-dependent dynamics under stressed and non-stressed conditions. Mathematical models contribute … bing download windows 7WebMany factors determine target gene expression dynamics under p53 pulsing. In this study, I sought to determine the mechanism by which duration, frequency, binding affinity and … bing download on my computerWebMay 6, 2024 · Abstract. Many factors determine target gene expression dynamics under p53 pulsing. In this study, I sought to determine the mechanism by which duration, frequency, … cytoplasm useWeb117 Hire Dynamics jobs available in Matthews, NC on Indeed.com. 117 Hire Dynamics Jobs in Matthews, NC (Current as of March 21, 2024) Indeed.com Skip to Job Postings , Search cytoplasm was discovered byWebJan 21, 2011 · The tumor suppressor p53 plays essential roles in cell cycle arrest, DNA repair, and apoptosis. It can trigger a transcription regime, and target PUMA, Noxa, Bid, Bax, p53AIP, DR5, caspase-6, PERP, Fas, etc. to perform its functions ( Lowe et al., 2004 ). Mdm2, as a p53 transcriptional target, degrades p53 and keeps p53 at low levels in ... cytoplasm weightWebJan 2, 2024 · The opportunities and challenges of the tumor suppressor p53. The transcription factor p53 acts as arguably the most important tumor suppressor protein in humans, with more than 50% of all human cancers implicating mutated p53 in their progression. This transcription factor regulates key genes that are involved in cell function … bing dragnet 2 2 the shooting boardWebMar 1, 2024 · The type and extent of damage influence which post-translational modifications occur on p53 and the dynamics of p53 expression. Additionally, the DNA sequence and chromatin structure at each site ... bing do you have a sister